some basic sales stats
Merge branch 'develop' of github.com:fairnopoly/fairnopoly into develop
merged release-lizzie into develop
Merge branch 'release-lizzie' into develop
Merge branch 'release-lizzie' of github.com:fairnopoly/fairnopoly into develop
Merge branch 'release-lizzie' of github.com:fairnopoly/fairnopoly into develop
Merge branch 'release-lizzie' into develop
Merge branch 'release-lizzie' of github.com:fairnopoly/fairnopoly into feature-import
Update documentation